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CAS Number: 723-46-6
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CAS Number
723-46-6
PubChem CID
5329
Molecular Formula
C10H11N3O3S
Molecular Weight
253.28 g/mol
Exact Mass
253.052112
InChIKey
JLKIGFTWXXRPMT-UHFFFAOYSA-N
IUPAC Name
4-amino-N-(5-methyl-1,2-oxazol-3-yl)benzenesulfonamide
SMILES String
CC1=CC(=NO1)NS(=O)(=O)C2=CC=C(C=C2)N
Appearance
Crystals or white powder. (NTP, 1992)
pKa
1
Properties are provided as catalog reference data and may be confirmed through supplier documentation when required.
Structural features
Sulfamethoxazole (CAS 723-46-6) is listed in the Pharmaceutical Intermediates portfolio, with molecular formula C10H11N3O3S and molecular weight 253. 28 g/mol.
Sourcing context
Catalog reference for RFQ preparation, supplier confirmation, and research chemical sourcing review.
Research use context
Intended for research-stage medicinal chemistry and intermediate synthesis workflows; structure-derived tags include nitrogen-containing heterocycle.
Documentation needs
COA/SDS status, availability, lead time, pack size, and shipment documentation can be confirmed during quotation.
ChEMBL reports experimental activity evidence for: Human immunodeficiency virus type 1 protease (Human immunodeficiency virus 1) — 4 assays; Endothelin-1 receptor (Rattus norvegicus) — 2 assays; Alpha-1A adrenergic receptor (Homo sapiens) — 4 assays; 5-hydroxytryptamine receptor 1A (Homo sapiens) — 3 assays; 5-hydroxytryptamine receptor 2A (Homo sapiens) — 3 assays. These records describe research assays and do not establish therapeutic efficacy or clinical use.
Human immunodeficiency virus type 1 protease
Human immunodeficiency virus 1 · SINGLE PROTEIN · 4 qualifying assays · 1 documents · best pChEMBL 8
Experimental evidence source: ChEMBL
Endothelin-1 receptor
Rattus norvegicus · SINGLE PROTEIN · 2 qualifying assays · 2 documents · best pChEMBL 5.4
Experimental evidence source: ChEMBL
Alpha-1A adrenergic receptor
Homo sapiens · SINGLE PROTEIN · 4 qualifying assays · 1 documents · best pChEMBL 4.87
Experimental evidence source: ChEMBL
5-hydroxytryptamine receptor 1A
Homo sapiens · SINGLE PROTEIN · 3 qualifying assays · 1 documents
Experimental evidence source: ChEMBL
5-hydroxytryptamine receptor 2A
Homo sapiens · SINGLE PROTEIN · 3 qualifying assays · 1 documents
Experimental evidence source: ChEMBL
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Preliminary Safety Reference
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Safety Reference / SDS RequestCatalog navigation
Other public CAS pages in this catalog. These links support navigation across additional intermediates and do not imply equivalence, availability, or shared use.
Sulfamethoxazole is identified by CAS 723-46-6, with molecular formula C10H11N3O3S, molecular weight 253.28, InChIKey JLKIGFTWXXRPMT-UHFFFAOYSA-N.
ChEMBL contains qualifying experimental assay evidence associated with Human immunodeficiency virus type 1 protease, Endothelin-1 receptor, Alpha-1A adrenergic receptor, 5-hydroxytryptamine receptor 1A, 5-hydroxytryptamine receptor 2A. These records do not establish therapeutic efficacy or clinical use.
Yes. Submit an RFQ and specify COA requirements. Lot-specific COA depends on supplier confirmation.
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